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Engineering
Mechanical
ME Set-3
Engineering Materials
142

Engineering Materials MCQ with Answers

142) Corrosion resistance of steel is increased by addition of

chromium and nickel

sulphur, phosphorus, lead

vanadium, aluminium

tungsten, molybdenum, vanadium, chromium

Answer is:

chromium and nickel

Engineering Materials MCQ with Answers

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Related Engineering Materials MCQ with Answers

143) In which of the following cases, consideration of creep is important

flywheel of steam engine

cast iron pipes

cycle chains

gas turbine blades

Answer is:

gas turbine blades

144) The most effective inhibitor of grain growth, when added in small quantities is

carbon

vanadium

manganese

cobalt

Answer is:

vanadium

145) Depth of hardness of steel is increased by addition of

nickel

chromium

tungsten

vanadium

Answer is:

chromium

146) Railway rails are normally made of

mild steel

alloy steel

high carbon

tungsten steel

Answer is:

high carbon

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